"TR series minesweeping trawler" . "HMCS TR-14" . . "HMCS TR-18" . "18.52" . "7.0104" . . "Canadian \\\"Castle\\\" \u2013 TR series" . . "HMCS TR-17" . . . "TR series minesweeping trawler" . "40.8" . . . . "HMCS TR-13" . . "TR series" . "HMCS TR-16" . "HMCS TR-15" .